One lifter, one gym, one app.
One developer, one gym, and nobody paid to say anything.
I've spent over a decade building apps for other people, and never once built one for myself.
Meanwhile, every Monday I'd be standing between sets with a phone in one hand, scrolling a spreadsheet, trying to remember what I pressed last week. Then a notebook with a torn cover. Then the notes app. I lost my numbers more than once, and every time I lost a bit of momentum with them.
Everything I tried wanted something from me first: an account, a subscription, a tutorial, a "premium" wall in front of a second training program. All I wanted was to write down a number with chalky hands and get back under the bar.
So I built the thing I kept wishing existed. One tap to log a set. No typing, no math, no wall. A rest timer that starts itself. Weights already filled in from last week, because the app remembers so you don't have to. Everything else (the carrots, the ranks, the little bunny) came later, once I noticed I was actually looking forward to opening it.
GymBunny is a passion project, built in evenings, early mornings and post-workout coffees. No funding, no team, nobody to answer to but the people using it. That's exactly why the free tier is genuinely free and why your data stays yours: there's no growth target here that needs to squeeze you.
If it saves you the thirty seconds and the mental load I lost every session for years, it did its job.
Solo developer and lifter. Building GymBunny since 2025, in Zagreb.
years shipping apps for other people
app built for himself, this one
investors, growth teams or roadmap meetings
evenings and weekends, cheerfully spent
Nobody's paid to say this yet.
GymBunny has been in the hands of a small group of lifters on TestFlight since summer 2026, training in real gyms with real chalk on their hands. Names are changed; the words aren't.
“I stopped bringing my notebook on day two. That is the whole review.”
“The rest timer starting itself sounds like nothing until you have had it for a month. Now every other app feels like homework.”
“I've deleted four trackers before this one. The difference is I don't think about it. I just tap and keep lifting.”
“First app where the free version didn't feel like a trap set for me.”
“Carrots are a ridiculous idea and I check them after every single session. Make of that what you will.”
“Logged the whole session from my wrist. My phone never came out of the bag once.”
Your next PR is one hop away.
Install, pick a program or import your history, and log the first set. It takes less time than reading this page.
Store links go live on launch day. Questions now? Write to support.
